ER

E. William Rowland-Hill

SP Sperry: 7 patents #35 of 841Top 5%
Overall (All Time): #769,875 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4557276 Four way leveling mechanism for combine cleaning apparatus Myles Hyman, Ronald T. Sheehan 1985-12-10
4535788 Lateral leveling mechanism for combine cleaning apparatus Ronald T. Sheehan 1985-08-20
4527241 Automatic combine harvester adjustment system Ronald T. Sheehan, Carl E. Bohman 1985-07-02
4466231 Automatic sieve and chaffer adjustment in a combine harvester Ronald T. Sheehan 1984-08-21
4412549 Combine harvester with improved cleaning 1983-11-01
4328815 Divider feed means for axial flow combine 1982-05-11
4291709 Infeed geometry Steven J. Weber 1981-09-29